初中英語動詞不定式完整課件

1、動詞不定式動詞不定式小欖一中小欖一中 陳洪甫陳洪甫構成：to+ 動詞原形To see is to believe.Its important to keep healthy .1.不定式做主語不定式做主語不定式作主語時不定式作主語時,往往放在句子的后面往往放在句子的后面,用用it作形式主語作形式主語.Its +adj. + sb. +to do sth.Its +adj. + sb. +to do stheasy,difficult,hardcareful, clever, foolish ,kind, nice1.It is very important for us _ English w

2、ell.A learn B learning C to learn D learned2.爬那棵高樹對于你來說太危險了。 dangerous for you _ _ that tall tree .It isto climbI want to go home.The workers demanded to get better pay.I found it necessary to talk to him again.2.不定式做賓語不定式做賓語think/ consider/ find it + adj.+ to do 常用動詞不定式作賓語的動詞有：常用動詞不定式作賓語的動詞有：hope,

3、refuse, learn, choose, decide, agree, manage, pretend, plan. The teacher told me to clean the blackboard.I expect you to give me some help.3.做賓補做賓補四看四看 watch see look at 三三讓讓 let make have 二聽二聽 listen to hear warn, tell, allow, help, ask.notice一感一感:feel I made him do his work.He was made to do his w

4、ork (by me).Where is Jim ? I dont know But I saw him _football just now. A.Was watching B. watching C had watching D.watchedI have something to say.He has a lot of homework to do .He is looking for a room to live in .There is nothing to worry about.4.不定式做定語不定式做定語(如果不定式中的動詞是不及物動詞如果不定式中的動詞是不及物動詞,則不定式中

5、要有介詞則不定式中要有介詞.)1. 不定式所修飾的名詞或代詞是不定式動不定式所修飾的名詞或代詞是不定式動作的地點工具等，即使是及物動詞，不定作的地點工具等，即使是及物動詞，不定式后面仍須有式后面仍須有相應的介詞相應的介詞。 請給我一支寫字的筆請給我一支寫字的筆.Please give me a pen to write with.2. something, anything, nothing, everything等復合不定代詞常用不等復合不定代詞常用不定式做后置定語。定式做后置定語。who,which, when, how, what who,which, when, how, what 等

6、連用，在句等連用，在句中不定式與疑問詞起名詞作用，可充當主語、中不定式與疑問詞起名詞作用，可充當主語、表語、賓語等。表語、賓語等。He didnt know what to say. .他不知道說什么他不知道說什么。( (賓語賓語) ) How to solve the problem is very important. .如何解決這個問題很重要。如何解決這個問題很重要。( (主語主語) ) My question is when to start. .我的問題是什么時我的問題是什么時候開始。候開始。( (表語表語) )5.連接詞連接詞+動詞不定式動詞不定式注意：注意：” 疑問詞疑問詞 +

7、不定式不定式“ 作賓語時可以轉化作賓語時可以轉化為賓語從句。如：為賓語從句。如：Can you tell me where to get the scarf?=Can you tell me _ _ _ _ the scarf? Could you tell me how I shoud get to the post office?=Could you tell me _ _ _ the post office?where I can gethow to get 1.had better (not) do sth. 最好（不）做某事最好（不）做某事 2.Why (not) do sth.?

8、為什么不做某事為什么不做某事 3.Would you like to do sth?你愿意做某事嗎？你愿意做某事嗎？ 4.Could you please do sth?你能做某事嗎？你能做某事嗎？ 5.Its + adj. +for(of) sb.+to do sth. 做某事怎么樣做某事怎么樣 6. find it + adj. + to do sth. 發(fā)現(xiàn)做某事怎么樣發(fā)現(xiàn)做某事怎么樣 7.prefer + to do A rather than (to) 8.would rather (not) do sth. 9.would rather do A than (do) B 寧愿做某事

9、而不愿做另一件事寧愿做某事而不愿做另一件事Exercises1. - Youve done very well this time. - Its really kind _.A. for you to say so B. for you saying soC. of you to say so D. of you saying so2. It is better to lose ones life than _.A. if you lose your spiritB. losing his spiritC. to lose ones spiritD. your spirit getting l

10、ostCC3. I cant work in this way. - Why not _ it in some other way?A. try to doB. try doingC. trying to doD. trying doing4. Since you find it difficult _ a decision, youd better a discussion( 討討論論) with your parents.A. reach; haveB. reaching; haveC. reach; havingD. to reach; haveBD5. My father hates(

11、痛恨痛恨) _. He never allows me _.A. to smoke; to smokeB. smoking; smokingC. smoke; smokingD. smoking; to smoke6. The girl was beginning _.A. get angry B. to get angryC. getting angry D. angryDB7. There isnt any difference between the two. I really dont know _.A. where to chooseB. which to chooseC. what to choose D. to choos